You are on the west coast of the United States where there has been a subduction zone. Which lava would you expect to come out of Mount Saint
Helen?
a. mafic
b. ultramafic
c. intermediate to felsic

the correct answer is blue and green.

a visible spectrum is electromagnetic spectrum color that can be seen by a normal human being by a single wavelength of light. the visible light spectrum is the range of wavelengths that make up visible light. the visible light spectrum passes through a prism enabling the rainbow reveals all the colors in the spectrum. these range from red, orange, yellow, green, blue and violet.